/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h
typedef TBaseDelegate_OneParam< [TArray](API\Runtime\Core\Containers\TArray)< [UNiagaraParameterDefinitions](API\Plugins\NiagaraEditor\UNiagaraParameterDefinitions) * >, bool > FOnGetParameterDefinitionsForDetailsCustomization